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Topic Review (Newest First)

05-25-2011 09:05 AM

EJO

Thanks for your answers, I just sailed the 81 miles (13 hrs) so I didn't have to worry about gas.
I did find out last season that at 2400 rpm or so (6 knts in my 32'ter) I'm using a little less than 1 gallon (more likely 3/4 gallon (2.85 liters)) per hour which was a lot less than my previous power boat with the twin V-8's with 4 barrel carburetors on them. Sailing is great again.

05-24-2011 06:27 PM

MarkSF

Quote:

Originally Posted by Faster

Our son got about 1 gal/hour on a Ranger 29 with an A-4..... seem's pretty normal.

!/2 gallon per hour? Geez, I'd better rip my Universal Diesel out and put an Atomic 4 in. I'm using a gallon per hour right now.

04-29-2011 01:14 PM

vpardi

Quote:

Originally Posted by jjtjr

!/2 gal/hr at full Throttle

I think that 1/2 gal per hour is a little optimistic at full throttle. I estimate consumption at just less that 1 gal per hour. A lot will have to do with how well your engine is tuned and your engine rpms. A good speed for me is around 6 knots at about 2200 rpm.

04-28-2011 07:10 AM

jjtjr

gph

!/2 gal/hr at full Throttle

03-08-2010 04:44 PM

nickmerc

On my Pearson 30 with an A4 I can get 25-30 hours run time before I become worried about low fuel with a 20ish gal tank. Prop condition is a huge factor as is bottom condition and sea conditions and wind intensity and direction. I would not count on miles but hours as the way to mesure fuel consumption.
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Having a clean hull, clean correct prop, and not pushing top speed will all make big differences for fuel consumption in any boat.

I'd also suggest taking a shorter sea trial, maybe two hours or a half day, to shake down any possible problems before running off 80 miles. Measuring fuel consumption is something you could do during that time as well.

03-08-2010 03:09 PM

EJO

MPG for Gas Universal or Atomic 4

Can anybody give me an estimate from experience how many miles per gallon I can get from a Universal or Atomic 4 gasoline 30 HP engine running at say 2,000 to 2,200 rpm.
I'm pushing a 32' 10,500 lbs sailboat with 6.7 hull speed.

I just bought this boat and need to move her 80 miles not knowing if I can sail her due to prevailing winds and only have a 24 gallon gas tank.

Any estimate will be appreciated. I know there are many of these 30 HP inboard in 31' plus sail boats out there and somebody must have figured this out. Previous owner can't tell and/or doesn't know.